Logone River
E151448
The Logone River is a significant Central African waterway that forms part of the border between Chad and Cameroon before joining the Chari River near Lake Chad.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Logone River canonical | 6 |
| Logone River basin | 2 |
| Chad–Cameroon river system | 1 |
| Chari-Logone river system | 1 |
| Chari–Logone river system | 1 |
| Komadougou Yobe River | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T960851 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Logone River Context triple: [Chad, majorRiver, Logone River]
-
A.
Ogooué River
The Ogooué River is the principal waterway of Gabon, flowing across the country to the Atlantic Ocean and serving as a vital ecological and transportation corridor in Central Africa.
-
B.
Gongola River
The Gongola River is a major river in northeastern Nigeria that flows through the savanna region before joining the Benue River.
-
C.
Niger River
The Niger River is a major West African river that flows in a great arc through countries including Guinea, Mali, Niger, and Nigeria before emptying into the Atlantic Ocean.
-
D.
Senegal River
The Senegal River is a major West African waterway that flows through Guinea, Mali, Mauritania, and Senegal before emptying into the Atlantic Ocean, serving as an important source of irrigation, transport, and hydroelectric power.
-
E.
Senouire River
The Senouire River is a smaller watercourse in central France that flows through the Auvergne region before joining the Allier River.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Logone River Target entity description: The Logone River is a significant Central African waterway that forms part of the border between Chad and Cameroon before joining the Chari River near Lake Chad.
-
A.
Ogooué River
The Ogooué River is the principal waterway of Gabon, flowing across the country to the Atlantic Ocean and serving as a vital ecological and transportation corridor in Central Africa.
-
B.
Gongola River
The Gongola River is a major river in northeastern Nigeria that flows through the savanna region before joining the Benue River.
-
C.
Niger River
The Niger River is a major West African river that flows in a great arc through countries including Guinea, Mali, Niger, and Nigeria before emptying into the Atlantic Ocean.
-
D.
Senegal River
The Senegal River is a major West African waterway that flows through Guinea, Mali, Mauritania, and Senegal before emptying into the Atlantic Ocean, serving as an important source of irrigation, transport, and hydroelectric power.
-
E.
Senouire River
The Senouire River is a smaller watercourse in central France that flows through the Auvergne region before joining the Allier River.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
international river of Africa
ⓘ
river ⓘ |
| borderFunction | natural boundary between Chad and Cameroon ⓘ |
| continent | Africa ⓘ |
| country |
Cameroon
ⓘ
Chad ⓘ |
| ecoregion | Sahelian flooded savanna ⓘ |
| flowsAlongBorderOf |
Chad–Cameroon border
ⓘ
Far North Region (Cameroon) ⓘ
surface form:
Far North Region, Cameroon
|
| flowsInto | Chari River ⓘ |
| flowsThrough |
Bongor
ⓘ
Kousséri ⓘ Logone-et-Chari Department ⓘ |
| formsBorderBetween |
Cameroon
ⓘ
Chad ⓘ |
| hasTributary |
Mbéré River
ⓘ
Pendé River ⓘ Vina River ⓘ |
| hasWetland | Logone floodplain ⓘ |
| languageOriginOfName | local Central African languages ⓘ |
| locatedIn |
Lake Chad basin
ⓘ
surface form:
Chad Basin
Sahel ⓘ
surface form:
Sahel region
|
| majorTributaryOf | Chari River ⓘ |
| mouthLocation | near Lake Chad ⓘ |
| mouthRiver | Chari River ⓘ |
| partOf |
Logone River
self-linksurface differs
ⓘ
surface form:
Chari–Logone river system
|
| partOfDrainageBasin | Lake Chad basin ⓘ |
| region | Central Africa ⓘ |
| supports | flood-recession agriculture ⓘ |
| usedFor |
fishing
ⓘ
irrigation ⓘ river transport ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Logone River Description of subject: The Logone River is a significant Central African waterway that forms part of the border between Chad and Cameroon before joining the Chari River near Lake Chad.
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Lake Chad Basin
subject surface form:
Lake Chad Basin
this entity surface form:
Komadougou Yobe River
subject surface form:
Lake Chad Basin
this entity surface form:
Chari-Logone river system
this entity surface form:
Logone River basin
this entity surface form:
Chad–Cameroon river system
this entity surface form:
Chari–Logone river system
this entity surface form:
Logone River basin